LPC47M233-NC

LPC47M233-NC -  ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE

The LPC47M10x* is a 3.3V (5V tolerant) PC98/PC99 compliant Super I/O controller. The LPC47M10x

implements the LPC interface, a pin reduced ISA bus interface which provides the same or better

performance as the ISA/X-bus with a substantial savings in pins used. The LPC47M10x provides fan

control through two fan speed control output pins and two fan tachometer input pins. It also provides

37 general purpose input/output (GPIO) pins, a dual game port interface and MPU-401 MIDI support.

The LPC47M10x incorporates a keyboard interface, SMSC's true CMOS 765B floppy disk controller,

advanced digital data separator, two 16C550A compatible UARTs, one Multi-Mode parallel port which

includes ChiProtect circuitry plus EPP and ECP, on-chip 12 mA AT bus drivers, one floppy direct drive

support, and Intelligent Power Management including PME support. The true CMOS 765B core

provides 100% compatibility with IBM PC/XT and PC/AT architectures in addition to providing data

overflow and underflow protection. The SMSC advanced digital data separator incorporates SMSC's

patented data separator technology, allowing for ease of testing and use. Both on-chip UARTs are

compatible with the NS16C550A. The parallel port is compatible with IBM PC/AT architecture, as well

as IEEE 1284 EPP and ECP. The LPC47M10x incorporates sophisticated power control circuitry (PCC)

which includes support for keyboard and mouse wake-up events. The PCC supports multiple low

power-down modes.

The LPC47M10x supports the ISA Plug-and-Play Standard register set (Version 1.0a) and provides the

recommended functionality to support Windows '95. The I/O Address, DMA Channel and hardware

IRQ of each logical device in the LPC47M10x may be reprogrammed through the internal configuration

registers. There are 480 (960 for Parallel Port) I/O address location options, a Serialized IRQ

interface, and three DMA channels.

The LPC47M10x does not require any external filter components and is therefore easy to use and

offers lower system costs and reduced board area. The LPC47M10x is software and register

compatible with SMSC's proprietary 82077AA core.

*The “x” in the part number is a designator that changes depending upon th

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We offer a warranty on all items that we sold. Item will be tested before ship,it will be in good condition,if there are some problems with the item,feel free to contact us.Please Email us to notify a defective item. Unless otherwise specified, this item comes with 30 days warranty from the shipment date.

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